Although the world has come to the realization that exploitation of non-renewable materials are not sustainable, (Petrillo et al, 2018) there has been a limited interest in fully utilizing natural, renewable resources such as wood and its products because of service durability concerns. One of such issues is the impact of weathering on facade materials causing aesthetical degradation (Sandek et al, 2019). Thus, this research was carried out as part of BIO4ever international project to determine the weathering resistance of bio-based façade materials in Estonian climate. 120 bio-based façade materials obtained from 17 countries were investigated by subjecting to accelerated natural weathering conditions on a 45˚ inclined outdoor weatheing stand located at (59°23’50.6″N 24°39’24.0″E). Results from this research are to be used to optimize a software simulating changes in appearance of facade materials in outdoor conditions.
Keywords: weathering resistance, façade materials, bio-based materials
Authors
Percy Alao
Tallinn University of Technology, Laboratory of Wood Technology, Department of Material and Environmental Technology, Tallinn, Estonia
Kevin Visnapuu
Heikko Kallakas
Triinu Poltimäe
Jaan Kers
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